Found and error on fleet agent e: x509: certificate signed by unknown authority" time="2025-03-19T085205Z" level=warning msg="Cannot find fleet-agent secret, running registration" time="2025-03-19T085205Z" level=info msg="Creating clusterregistration with id 'chsc9cbmgh4hm4z7zc5mllpgw6sm7ttb6wtshkpgnbpq8896ts98jx' for new token" time="2025-03-19T085205Z" level=error msg="Failed to register agent: registration failed: cannot create clusterregistration on management cluster for cluster id 'chsc9cbmgh4hm4z7zc5mllpgw6sm7ttb6wtshkpgnbpq8896ts98jx': Post \"https://.../apis/fleet.cattle.io/v1alpha1/namespaces/fleet-default/clusterregistrations\": tls: failed to verify certificate: x509: certificate signed by unknown authority"

What version of rancher and did you use a private cert, public cert?

fleet issue is still there. but why I cant load in ui turns out to be nginx thing. not opening up websockets